.flex{
	display: flex;
}
.flex-j-center{
	display: flex;
	justify-content: center;
}
.flex-j-around{
	display: flex;
	justify-content:space-around;
}
.flex-j-end{
	display: flex;
	justify-content: flex-end;
}
.flex-j-between{
	display: flex;
	justify-content: space-between;
}
.flex-a-center{
	display: flex;
	align-items: center;
}
.flex-d-col{
	display: flex;
	flex-direction: column;
}	
.pore{
	position: relative;
}
.poab{
	position: absolute;
}
 
 